Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.3 >
edited by Xiaoling
on 2022/08/17 09:29
To version < 101.2 >
edited by Xiaoling
on 2022/07/20 11:19
>
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Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -6,15 +6,15 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 -
16 16  (((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 18  )))
19 19  
20 20  (((
... ... @@ -22,12 +22,13 @@
22 22  )))
23 23  
24 24  (((
25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
25 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
26 26  )))
27 +)))
27 27  
28 28  (((
29 29  (((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 31  )))
32 32  )))
33 33  
... ... @@ -35,10 +35,8 @@
35 35  (((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 37  )))
38 -)))
39 39  
40 40  (((
41 -(((
42 42  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
43 43  )))
44 44  )))
... ... @@ -53,12 +53,10 @@
53 53  
54 54  == 1.2  Features ==
55 55  
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
58 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -66,11 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -
70 -
71 71  == 1.3  Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -90,114 +90,131 @@
90 90  * I/O Voltage: 3.3v
91 91  
92 92  
87 +== 1.4  AT Command ==
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
90 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
99 99  
94 +== 1.5  Dimension ==
100 100  
96 +[[image:image-20220718094750-3.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
105 105  
106 106  
100 +== 1.6  Pin Mapping ==
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
102 +[[image:image-20220720111850-1.png]]
109 109  
110 110  
111 -**Show connection diagram：**
112 112  
106 +== 1.7  Land Pattern ==
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
108 +[[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
112 += 2.  LA66 LoRaWAN Shield =
119 119  
120 120  
121 -[[image:image-20220723170545-4.png]]
115 +== 2.1  Overview ==
122 122  
123 123  
118 +(((
119 +[[image:image-20220715000826-2.png||height="145" width="220"]]
120 +)))
124 124  
125 -(% style="color:blue" %)**2.  Open project**
122 +(((
123 +
124 +)))
126 126  
126 +(((
127 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
128 +)))
127 127  
128 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
130 +(((
131 +(((
132 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
133 +)))
134 +)))
129 129  
130 -[[image:image-20220726135239-1.png]]
136 +(((
137 +(((
138 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 +)))
140 +)))
131 131  
142 +(((
143 +(((
144 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
145 +)))
146 +)))
132 132  
148 +(((
149 +(((
150 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 +)))
152 +)))
133 133  
134 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
135 135  
136 -[[image:image-20220726135356-2.png]]
137 137  
156 +== 2.2  Features ==
138 138  
158 +* Arduino Shield base on LA66 LoRaWAN module
159 +* Support LoRaWAN v1.0.4 protocol
160 +* Support peer-to-peer protocol
161 +* TCXO crystal to ensure RF performance on low temperature
162 +* SMA connector
163 +* Available in different frequency LoRaWAN frequency bands.
164 +* World-wide unique OTAA keys.
165 +* AT Command via UART-TTL interface
166 +* Firmware upgradable via UART interface
167 +* Ultra-long RF range
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
141 141  
170 +== 2.3  Specification ==
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
172 +* CPU: 32-bit 48 MHz
173 +* Flash: 256KB
174 +* RAM: 64KB
175 +* Input Power Range: 1.8v ~~ 3.7v
176 +* Power Consumption: < 4uA.
177 +* Frequency Range: 150 MHz ~~ 960 MHz
178 +* Maximum Power +22 dBm constant RF output
179 +* High sensitivity: -148 dBm
180 +* Temperature:
181 +** Storage: -55 ~~ +125℃
182 +** Operating: -40 ~~ +85℃
183 +* Humidity:
184 +** Storage: 5 ~~ 95% (Non-Condensing)
185 +** Operating: 10 ~~ 95% (Non-Condensing)
186 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 +* LoRa Rx current: <9 mA
188 +* I/O Voltage: 3.3v
144 144  
145 145  
191 +== 2.4  Pin Mapping & LED ==
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 148  
149 149  
150 -(% style="color:blue" %)**1.  Open project**
195 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
151 151  
152 152  
153 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
154 154  
199 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
155 155  
156 -[[image:image-20220723172502-8.png]]
157 157  
158 158  
203 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
159 159  
160 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
161 161  
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
207 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
164 164  
165 165  
210 +=== 2.8.1  Items needed for update ===
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
168 -
169 -
170 -(% style="color:blue" %)**1.  Open project**
171 -
172 -
173 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
174 -
175 -
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 -
178 -
179 -
180 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
181 -
182 -
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
184 -
185 -
186 -
187 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
188 -
189 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
190 -
191 -[[image:image-20220723175700-12.png||height="602" width="995"]]
192 -
193 -
194 -
195 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
196 -
197 -
198 -=== 1.8.1  Items needed for update ===
199 -
200 -
201 201  1. LA66 LoRaWAN Shield
202 202  1. Arduino
203 203  1. USB TO TTL Adapter
... ... @@ -205,10 +205,9 @@
205 205  [[image:image-20220602100052-2.png||height="385" width="600"]]
206 206  
207 207  
219 +=== 2.8.2  Connection ===
208 208  
209 -=== 1.8.2  Connection ===
210 210  
211 -
212 212  [[image:image-20220602101311-3.png||height="276" width="600"]]
213 213  
214 214  
... ... @@ -231,29 +231,26 @@
231 231  [[image:image-20220602102240-4.png||height="304" width="600"]]
232 232  
233 233  
244 +=== 2.8.3  Upgrade steps ===
234 234  
235 -=== 1.8.3  Upgrade steps ===
236 236  
247 +==== 1.  Switch SW1 to put in ISP position ====
237 237  
238 238  
239 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
240 -
241 -
242 242  [[image:image-20220602102824-5.png||height="306" width="600"]]
243 243  
244 244  
245 245  
246 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
254 +==== 2.  Press the RST switch once ====
247 247  
248 248  
249 -[[image:image-20220817085447-1.png]]
257 +[[image:image-20220602104701-12.png||height="285" width="600"]]
250 250  
251 251  
252 252  
261 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
253 253  
254 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
255 255  
256 -
257 257  (((
258 258  (% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
259 259  )))
... ... @@ -310,22 +310,214 @@
310 310  
311 311  
312 312  
313 -= 2.  FAQ =
320 += 3.  LA66 USB LoRaWAN Adapter =
314 314  
315 315  
316 -== 2.1  How to Compile Source Code for LA66? ==
323 +== 3.1  Overview ==
317 317  
318 318  
319 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
326 +[[image:image-20220715001142-3.png||height="145" width="220"]]
320 320  
321 321  
329 +(((
330 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
331 +)))
322 322  
323 -= 3.  Order Info =
333 +(((
334 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
335 +)))
324 324  
337 +(((
338 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
339 +)))
325 325  
326 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
341 +(((
342 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
343 +)))
327 327  
345 +(((
346 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
347 +)))
328 328  
349 +
350 +
351 +== 3.2  Features ==
352 +
353 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
354 +* Ultra-long RF range
355 +* Support LoRaWAN v1.0.4 protocol
356 +* Support peer-to-peer protocol
357 +* TCXO crystal to ensure RF performance on low temperature
358 +* Spring RF antenna
359 +* Available in different frequency LoRaWAN frequency bands.
360 +* World-wide unique OTAA keys.
361 +* AT Command via UART-TTL interface
362 +* Firmware upgradable via UART interface
363 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
364 +
365 +
366 +== 3.3  Specification ==
367 +
368 +* CPU: 32-bit 48 MHz
369 +* Flash: 256KB
370 +* RAM: 64KB
371 +* Input Power Range: 5v
372 +* Frequency Range: 150 MHz ~~ 960 MHz
373 +* Maximum Power +22 dBm constant RF output
374 +* High sensitivity: -148 dBm
375 +* Temperature:
376 +** Storage: -55 ~~ +125℃
377 +** Operating: -40 ~~ +85℃
378 +* Humidity:
379 +** Storage: 5 ~~ 95% (Non-Condensing)
380 +** Operating: 10 ~~ 95% (Non-Condensing)
381 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 +* LoRa Rx current: <9 mA
383 +
384 +
385 +== 3.4  Pin Mapping & LED ==
386 +
387 +
388 +
389 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
390 +
391 +
392 +(((
393 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 +)))
395 +
396 +
397 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
398 +
399 +
400 +[[image:image-20220602171217-1.png||height="538" width="800"]]
401 +
402 +
403 +Open the serial port tool
404 +
405 +[[image:image-20220602161617-8.png]]
406 +
407 +[[image:image-20220602161718-9.png||height="457" width="800"]]
408 +
409 +
410 +
411 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
412 +
413 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
414 +
415 +
416 +[[image:image-20220602161935-10.png||height="498" width="800"]]
417 +
418 +
419 +
420 +(% style="color:blue" %)**3. See Uplink Command**
421 +
422 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423 +
424 +example: AT+SENDB=01,02,8,05820802581ea0a5
425 +
426 +[[image:image-20220602162157-11.png||height="497" width="800"]]
427 +
428 +
429 +
430 +(% style="color:blue" %)**4. Check to see if TTN received the message**
431 +
432 +[[image:image-20220602162331-12.png||height="420" width="800"]]
433 +
434 +
435 +
436 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
437 +
438 +
439 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
440 +
441 +
442 +(% style="color:red" %)**Preconditions:**
443 +
444 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
445 +
446 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
447 +
448 +
449 +
450 +(% style="color:blue" %)**Steps for usage:**
451 +
452 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
453 +
454 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
455 +
456 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
457 +
458 +
459 +
460 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
461 +
462 +
463 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
464 +
465 +
466 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
467 +
468 +[[image:image-20220602171233-2.png||height="538" width="800"]]
469 +
470 +
471 +
472 +(% style="color:blue" %)**2. Install Minicom in RPi.**
473 +
474 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
475 +
476 + (% style="background-color:yellow" %)**apt update**
477 +
478 + (% style="background-color:yellow" %)**apt install minicom**
479 +
480 +
481 +Use minicom to connect to the RPI's terminal
482 +
483 +[[image:image-20220602153146-3.png||height="439" width="500"]]
484 +
485 +
486 +
487 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
488 +
489 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
490 +
491 +
492 +[[image:image-20220602154928-5.png||height="436" width="500"]]
493 +
494 +
495 +
496 +(% style="color:blue" %)**4. Send Uplink message**
497 +
498 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
499 +
500 +example: AT+SENDB=01,02,8,05820802581ea0a5
501 +
502 +
503 +[[image:image-20220602160339-6.png||height="517" width="600"]]
504 +
505 +
506 +
507 +Check to see if TTN received the message
508 +
509 +[[image:image-20220602160627-7.png||height="369" width="800"]]
510 +
511 +
512 +
513 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
514 +
515 +
516 +
517 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
518 +
519 +
520 +
521 +
522 += 4.  Order Info =
523 +
524 +
525 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
526 +
527 +
329 329  (% style="color:blue" %)**XXX**(%%): The default frequency band
330 330  
331 331  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -338,11 +338,6 @@
338 338  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
339 339  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
340 340  
540 += 5.  Reference =
341 341  
342 -
343 -= 4.  Reference =
344 -
345 -
346 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
347 -
348 -
542 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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